private final IntegerProperty idPerson;
private final StringProperty firstName;
private final StringProperty lastName;
private final StringProperty street;
private final IntegerProperty postalCode;
private final StringProperty city;
private final ObjectProperty<LocalDate> birthday;

/**
 * Default constructor.
 */
public Person() {
    this(null,null, null);
}

/**
 * Constructor with some initial data.
 *
 * @param firstName
 * @param lastName
 */
public Person(Integer idPerson, String firstName, String lastName) {
    this.idPerson = new SimpleIntegerProperty(idPerson);
    this.firstName = new SimpleStringProperty(firstName);
    this.lastName = new SimpleStringProperty(lastName);

    // Some initial dummy data, just for convenient testing.
    this.street = new SimpleStringProperty("some street");
    this.postalCode = new SimpleIntegerProperty(1234);
    this.city = new SimpleStringProperty("some city");
    this.birthday = new SimpleObjectProperty<LocalDate>(LocalDate.of(1999, 2, 21));
}

public Integer getIdPerson() {
    return idPerson.get();
}

public void setIdPerson(int postalCode) {
    this.postalCode.set(postalCode);
}

public IntegerProperty idPersonProperty() {
    return idPerson;
}

public String getFirstName() {
    return firstName.get();
}

public void setFirstName(String firstName) {
    this.firstName.set(firstName);
}

public StringProperty firstNameProperty() {
    return firstName;
}

public String getLastName() {
    return lastName.get();
}

public void setLastName(String lastName) {
    this.lastName.set(lastName);
}

public StringProperty lastNameProperty() {
    return lastName;
}

public String getStreet() {
    return street.get();
}

public void setStreet(String street) {
    this.street.set(street);
}

public StringProperty streetProperty() {
    return street;
}

public int getPostalCode() {
    return postalCode.get();
}

public void setPostalCode(int postalCode) {
    this.postalCode.set(postalCode);
}

public IntegerProperty postalCodeProperty() {
    return postalCode;
}

public String getCity() {
    return city.get();
}

public void setCity(String city) {
    this.city.set(city);
}

public StringProperty cityProperty() {
    return city;
}

public LocalDate getBirthday() {
    return birthday.get();
}

public void setBirthday(LocalDate birthday) {
    this.birthday.set(birthday);
}

public ObjectProperty<LocalDate> birthdayProperty() {
    return birthday;
}

public class PersonOverviewController {
@FXML
private TableView<Person> personTable;
@FXML
private TableColumn<Person, Number> idPersonColumn;
@FXML
private TableColumn<Person, String> firstNameColumn;
@FXML
private TableColumn<Person, String> lastNameColumn;

@FXML
private Label firstNameLabel;
@FXML
private Label lastNameLabel;
@FXML
private Label streetLabel;
@FXML
private Label postalCodeLabel;
@FXML
private Label cityLabel;
@FXML
private Label birthdayLabel;

// Reference to the main application.
private MainApp mainApp;

/**
 * The constructor. The constructor is called before the initialize()
 * method.
 */
public PersonOverviewController() {
}

/**
 * Initializes the controller class. This method is automatically called
 * after the fxml file has been loaded.
 */
@FXML
private void initialize() {
    // Initialize the person table with the two columns.
    idPersonColumn.setCellValueFactory(cellData -> cellData.getValue().idPersonProperty());
    firstNameColumn.setCellValueFactory(cellData -> cellData.getValue().firstNameProperty());
    lastNameColumn.setCellValueFactory(cellData -> cellData.getValue().lastNameProperty());

    // Clear person details.
    showPersonDetails(null);

    // Listen for selection changes and show the person details when
    // changed.
    personTable.getSelectionModel().selectedItemProperty()
            .addListener((observable, oldValue, newValue) -> showPersonDetails(newValue));

}

/**
 * Fills all text fields to show details about the person. If the specified
 * person is null, all text fields are cleared.
 *
 * @param person
 *            the person or null
 */
private void showPersonDetails(Person person) {
    if (person != null) {
        // Fill the labels with info from the person object.
        firstNameLabel.setText(person.getFirstName());
        lastNameLabel.setText(person.getLastName());
        streetLabel.setText(person.getStreet());
        postalCodeLabel.setText(Integer.toString(person.getPostalCode()));
        cityLabel.setText(person.getCity());

        // We need a way to convert the birthday into a String!
        birthdayLabel.setText(DateUtil.format(person.getBirthday()));
        // birthdayLabel.setText(...);
    } else {
        // Person is null, remove all the text.
        firstNameLabel.setText("");
        lastNameLabel.setText("");
        streetLabel.setText("");
        postalCodeLabel.setText("");
        cityLabel.setText("");
        birthdayLabel.setText("");
    }
}

/**
 * Called when the user clicks on the delete button.
 */
@FXML
private void handleDeletePerson() {
    int selectedIndex = personTable.getSelectionModel().getSelectedIndex();
   //;TODO I want to retrieve the column of this line to remove this person from the database

}`

/**
 * Is called by the main application to give a reference back to itself.
 *
 * @param mainApp
 */
public void setMainApp(MainApp mainApp) {
    this.mainApp = mainApp;

    // Add observable list data to the table
    personTable.setItems(mainApp.getPersonData());
}